Westinghouse Electric Corporation. Electric utility engineering reference book: Distribution systems.
Citazione stile Chigago Style (17a edizione)Westinghouse Electric Corporation. Electric Utility Engineering Reference Book: Distribution Systems.
Citatione MLA (8a ed.)Westinghouse Electric Corporation. Electric Utility Engineering Reference Book: Distribution Systems.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.